单词 | internal energy |
释义 | internal energy [in`tǝrn·ǝl `en·ǝr·jē] THERMODYNAMICS A characteristic property of the state of a thermodynamic system, introduced in the first law of thermodynamics; it includes intrinsic energies of individual molecules, kinetic energies of internal motions, and contributions from interactions between molecules, but excludes the potential or kinetic energy of the system as a whole; it is sometimes erroneously referred to as heat energy. |
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